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The cell membrane

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Jeremiah Williamson

A presentation on the Cell Membrane for my CI 350 class

Science
1 of 6
THE CELL MEMBRANE Everything You Ought To Know (aka The Plasma Membrane)
Fluid Mosaic • Not a solid structure • Dynamic • Moveable • Adaptable • Proteins Video
The Basic Cell Membrane
Phospholipid Bilayer • Phospholipids • Head – Hydrophilic • Tail – Hydrophobic • Tails Together and Heads Outward • What does it allow through without energy? • Water, Oxygen, and Carbon Dioxide • Diffusion • High to Low
Transmembrane Proteins & Selective Permeability • Large and/or charged particles • Glucose • Sodium ions (charged) • Gates and channels • Electrical charges
Many Membranes • Mitochondrial membranes • Golgi Apparatus • Nuclear Membrane • Lysosome • Endoplasmic Reticulum

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The cell membrane

  • 1. THE CELL MEMBRANE Everything You Ought To Know (aka The Plasma Membrane)
  • 2. Fluid Mosaic • Not a solid structure • Dynamic • Moveable • Adaptable • Proteins Video
  • 3. The Basic Cell Membrane
  • 4. Phospholipid Bilayer • Phospholipids • Head – Hydrophilic • Tail – Hydrophobic • Tails Together and Heads Outward • What does it allow through without energy? • Water, Oxygen, and Carbon Dioxide • Diffusion • High to Low
  • 5. Transmembrane Proteins & Selective Permeability • Large and/or charged particles • Glucose • Sodium ions (charged) • Gates and channels • Electrical charges
  • 6. Many Membranes • Mitochondrial membranes • Golgi Apparatus • Nuclear Membrane • Lysosome • Endoplasmic Reticulum